1.70 ct black opal 10.9×8.4×3.2mmUS$800.00 USD USD AUD Out of stock SKU: A22A4 Category: Black Opal Opal Specifications Additional information Weight 1.70 ct Dimensions 10.9 × 8.4 × 3.2 mm Body Tone Black N4 Brightness B3 Bright Cut Drop Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Green Product Enquiry